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Siemens SIRIUS 3SK1 Advanced Safety Relay 24V dc Screw Terminal IP20 100mm x 122mm x 22.5mm 3SK1122-1CB42

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Siemens SIRIUS 3SK1 Advanced Safety Relay 24V dc Screw Terminal IP20 100mm x 122mm x 22.5mm 3SK1122-1CB42

Name: Siemens SIRIUS 3SK1 Advanced Safety Relay 24V dc Screw Terminal IP20 100mm x 122mm x 22.5mm 3SK1122-1CB42
Brand: Siemens
SKU: 315095
Price: 346.84 USD
Availability: InStock

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Category Safety Relays Brand Siemens Condition New

Specifications

Country of Origin	Germany
Brand	Siemens
Height	122mm
Length	100mm
Model	3SK1122-1CB42
IP Rating	IP20
Width	22.5mm
Series	3SK1
Maximum Operating Temperature	60°C
Minimum Operating Temperature	-25°C
Safety Category	4
Terminal type	Screw
Time Function	with OFF delay
Standards/Approvals	RoHS
Coil Voltage	24V dc
Siemens SIRIUS 3TK28 Safety Relay 24V dc, Single Channel 1 Safety ContactsBrand	Siemens

Key Features

Features flexible parameterization with 4-way DIP switch and status LEDs.
Includes two sensor inputs and multiple cascading and start pushbutton inputs.
Supports time-delayed enabling circuits with potentiometer for delay adjustment.
Compact design with screw terminals and IP20 protection rating.
Operates reliably between -25°C and 60°C for industrial applications.
Robust self-test functionality ensures continuous operational safety.
Ideal for emergency off monitoring and protective door control using electromechanical or solid state position switches.

Product Description

Siemens 3SK1122-1CB42 is a 24V dc advanced safety relay from the SIRIUS 3SK1 series, designed for industrial automation and safety monitoring applications. It features a configurable 4-way DIP switch for precise function setting and 4 LEDs that indicate status and operational conditions. The relay includes a Set/Reset button to reload settings or restart the device.

The 3SK1 Advanced Safety Relay supports two sensor inputs (channels 1 and 2), along with dedicated inputs for cascading circuits and start pushbutton control. It offers both instantaneous and time-delayed enabling circuits, which can be adjusted using a potentiometer to set delay time, supporting applications requiring timed OFF delays.

Constructed with screw terminals and an IP20 protection rating, this relay measures 100mm in length, 122mm in height, and 22.5mm in width, providing a compact footprint suitable for integration in control panels. The device operates effectively from -25°C to +60°C, ensuring reliability in varying industrial environments.

The relay performs comprehensive self-tests at startup and during operation, cyclically checking internal electronics and firmware. Semiconductor outputs perform dynamic dark tests to verify correct output function.

Typical industrial applications include emergency off and emergency stop monitoring, protective door monitoring using electromechanical or solid-state position switches, and integration with contact-free protective devices such as light arrays, light barriers, or laser scanners.

The device is made in Germany and complies with RoHS standards. It does not carry hazardous area certification and is classified under safety category 4. Features flexible parameterization with 4-way DIP switch and status LEDs.

Includes two sensor inputs and multiple cascading and start pushbutton inputs. Supports time-delayed enabling circuits with potentiometer for delay adjustment. Compact design with screw terminals and IP20 protection rating.

Operates reliably between -25°C and 60°C for industrial applications. Robust self-test functionality ensures continuous operational safety. Ideal for emergency off monitoring and protective door control using electromechanical or solid state position switches.

Explore the full range of Siemens Safety Relays and automation components on EnvMart for industrial control and safety solutions.

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Frequently Asked Questions

This safety relay operates reliably between -25°C and +60°C, making it suitable for various industrial environments.

The relay has an IP20 protection rating, indicating it is suitable for indoor use and offers protection against solid objects larger than 12.5 mm.

This model operates on a coil voltage of 24V DC, which is standard for many industrial control applications.

It features a configurable 4-way DIP switch that allows for flexible parameterization to set the desired functions.

The relay includes two sensor inputs and dedicated inputs for cascading circuits and start pushbutton control.

The dimensions of the relay are 100mm in length, 122mm in height, and 22.5mm in width, providing a compact design for control panels.

It is classified under safety category 4, which indicates a high level of safety integrity for critical applications.

Yes, it supports time-delayed enabling circuits with a potentiometer for adjusting the delay time, which is useful for applications requiring timed OFF delays.

The relay performs comprehensive self-tests at startup and during operation, checking internal electronics and firmware to ensure operational safety.

This safety relay is made in Germany, ensuring adherence to high manufacturing standards.

It complies with RoHS standards, which restrict the use of certain hazardous substances in electrical and electronic equipment.

Typical applications include emergency off monitoring, protective door monitoring, and integration with contact-free protective devices like light barriers or laser scanners.